beta-thiocyanoethyl硫: sulphur; sulfur氰: cyanogen; dicyanogen乙基: aethylis; ethyl; ethyl groupβ-硫氰乙基脂肪酸酯: beta-thiocyanoethyl fatty acid ester硫氰乙基: beta-thiocyanoethyl下载手机词典可随时随地查词查翻译